The A3 has a lower screen resolution (which should improve performance) but better blacks/colors because it's an OLED screen. The CPU of the A3 should be rough

The A3 has a lower screen resolution (which should improve performance) but better blacks/colors because it's an OLED screen. The CPU of the A3 should be roughly equivalent to the A2 CPU. The camera is probably a lot better. The lack of NFC is unfortunate.